Carbohydrate
Hydrolysis of lactose yields

galactose and fructose
fructose and galactose
galactose and glucose
glucose and fructose

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Carbohydrate
When living organisms are cooled below some critical body temperature, the metabolic reactions within their cells cease to function properly. This malfunction occurs because

their enzymes lose the proper three-dimensional shape
the activation energy for the reaction is raised
enzyme active sites become permanently bound to substrates
there is insufficient molecular motion for substrates to interact

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